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Biotechnology Jul 23, 2019

3-D printed custom silicon heart valves

Scientists at ETH Zurich and the South African company Strait Access Technologies are using 3-D printing to produce custom-made artificial heart valves from silicone. This could help meet an aging population's growing demand ...

Bio & Medicine Jun 25, 2019

A better way to encapsulate islet cells for diabetes treatment

When medical devices are implanted in the body, the immune system often attacks them, producing scar tissue around the device. This buildup of tissue, known as fibrosis, can interfere with the device's function.

Bio & Medicine May 7, 2019

Synthetic and living micropropellers support convection-enhanced nanoparticle transport

Nanoparticles (NPs) are a promising platform for drug delivery to treat a variety of diseases including cancer, cardiovascular disease and inflammation. Yet the efficiency of NP transfer to the diseased tissue of interest ...

Bio & Medicine Apr 26, 2019

Tiny robots powered by magnetic fields could help drug-delivery nanoparticles reach their targets

MIT engineers have designed tiny robots that can help drug-delivery nanoparticles push their way out of the bloodstream and into a tumor or another disease site. Like crafts in "Fantastic Voyage"—a 1960s science fiction ...

Materials Science Apr 3, 2019

In shape memory alloys, the right combination of crystal grains can achieve high strength and still retain memory

A*STAR researchers have shown, through a supercomputer simulation, that high strength and shape memory can be realized at the same time by combining crystal grains of different sizes, a feat previously thought impossible. ...

Polymers Mar 11, 2019

Researchers develop tool to probe plastics' behavior down to the molecular scale

Consider the humble tire. Sitting outside on a frigid winter day, it's hard as a stone, yet when spinning under a drag racer, a tire becomes warmly pliable. For everyday materials, from glass to rubber to plastic, these fundamental ...

Polymers Feb 26, 2019

New shape memory polymer represents biomedical breakthrough

Researchers in the College of Engineering and Computer Science have developed a material—a new kind of shape memory polymer (SMP)—that could have major implications for health care.

Polymers Jan 9, 2019

Drug sponge could minimize side effects of cancer treatment

With the help of sponges inserted in the bloodstream to absorb excess drugs, doctors are hoping to prevent the dangerous side effects of toxic chemotherapy agents or even deliver higher doses to knock back tumors, like liver ...

Plants & Animals Dec 18, 2018

Researchers uncover the detailed molecular structure of the sporopollenin polymer

For hundreds of millions of years, plants thrived in the Earth's oceans, safe from harsh conditions found on land, such as drought and ultraviolet radiation. Then, roughly 450 million years ago, plants found a way to make ...

Bio & Medicine Oct 24, 2018

Researchers design 'smart' surfaces to repel everything but targeted beneficial exceptions

Researchers at McMaster University have solved a vexing problem by engineering surface coatings that can repel everything, such as bacteria, viruses and living cells, but can be modified to permit beneficial exceptions.

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